Kozue had watched Kou approach, out of the corner of her eye, still debating what exactly to say. An indirect approach would be best, of course, but how to start.
So she was delighted when he spoke to her. She smiled, briefly, and then tried to compose her face a bit more neutrally: friendly, pleasant, but not quite excited. That blank pleasant expression lasted a moment while she filtered his actual question.
"Plays? Oh, I'm not a big fan, but I'd been seeing this poster around and I wasn't sure what it was about." She paused, glanced back at the poster, and then turned to watch Kou changing his shoes. "I think I'll go to it, when it comes out, though. What about you?"